Igniter for an internal combustion engine

Details Igniter for an internal combustion engine Igniter for an internal combustion engine

1992-05-05

1993-04-06

Argenbright, Tony M.

Internal-combustion engines

High tension ignition system

Current or voltage sensing in coil primary

F02P 305

Patent

active

051994062

ABSTRACT:
An igniter for an internal combustion engine comprising a power transistor (4), a current regulating circuit (7) and a current detection resistor (12) connected between the power transistor (4) and the ground for detecting the current flowing through an ignition coil. The current detection resistor (12) is trimmed to provide a controlled resistance between the power transistor (4) and the ground. The current detection resistor (12) may be disposed within or outside the mold resin package (10) for hermetically sealing the power transistor (4) and the current regulating circuit (7).

REFERENCES:
patent: 4111174 (1978-09-01), Fitzner et al.
patent: 4538585 (1985-09-01), Arguello et al.
patent: 4539622 (1985-09-01), Akasaki
patent: 4750467 (1988-06-01), Neuhalfen
patent: 5113840 (1992-05-01), Taruya et al.

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